Perhaps you should try some spelling variations:
"using data java grippers" » "using java java grippers", "using sat java grippers", "missing data java grippers", "using data java slippers"
"vi ung code snippets" » "vi ung co snippets", "va ung code snippets", "vi luong code snippets", "vi trung code snippets", "vi ung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi ung code snippets\") OR (\"using data java grippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi ung code snippets ) OR ( using data java grippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi ung code snippets") OR ("using data java grippers"))) OR ("locating bug code snippets"))*.